fix the travis build

tool/travis-setup.sh

diff --git a/tool/travis-setup.sh b/tool/travis-setup.sh
index f594820..b3a925f 100755
--- a/tool/travis-setup.sh
+++ b/tool/travis-setup.sh
@@ -7,5 +7,5 @@
 pub global activate tuneup
 pub global activate path 1.6.2
 pub global activate path
-pub global activate --source git https://github.com/dart-lang/test.git
-pub global activate --source path .
\ No newline at end of file
+pub global activate --source git https://github.com/dart-lang/yaml.git
+pub global activate --source path .